part 2) Change allowed policy "c*" in <trusted-types-duplicate-names-list.html> to "c".
"c*" is invalid according to
https://w3c.github.io/trusted-types/dist/spec/#trusted-types-csp-directive.
Differential Revision: https://phabricator.services.mozilla.com/D213037
bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1901491
gecko-commit: 8c535232b6c185933d7fc7070f87014eea9b1775
gecko-reviewers: tschuster